XPS 15 Service Manual - Dell

XPS 15

Service Manual

Regulatory Model: P56FRegulatory Type: P56F001November 2020Rev. A03

Notes, cautions, and warnings

NOTE: A NOTE indicates important information that helps you make better use of your product.

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid

the problem.

WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

© 2016-2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.Other trademarks may be trademarks of their respective owners.

Chapter 1: Before working inside your computer............................................................................7Before you begin .................................................................................................................................................................7Safety instructions.............................................................................................................................................................. 7Recommended tools........................................................................................................................................................... 8

Chapter 2: After working inside your computer............................................................................. 9

Chapter 3: Removing the base cover............................................................................................10Procedure............................................................................................................................................................................ 10

Chapter 4: Replacing the base cover............................................................................................ 12Procedure.............................................................................................................................................................................12

Chapter 5: Removing the battery................................................................................................. 13Prerequisites........................................................................................................................................................................13Procedure.............................................................................................................................................................................13

Chapter 6: Replacing the battery................................................................................................. 14Procedure.............................................................................................................................................................................14Post-requisites....................................................................................................................................................................14

Chapter 7: Removing the hard drive.............................................................................................15Prerequisites....................................................................................................................................................................... 15Procedure............................................................................................................................................................................ 15

Chapter 8: Replacing the hard drive.............................................................................................18Procedure.............................................................................................................................................................................18Post-requisites....................................................................................................................................................................18

Chapter 9: Removing the solid-state drive (half-length).............................................................. 19Prerequisites........................................................................................................................................................................19Procedure.............................................................................................................................................................................19

Chapter 10: Replacing the solid-state drive (half-length).............................................................21Procedure.............................................................................................................................................................................21Post-requisites....................................................................................................................................................................21

Chapter 11: Removing the solid-state drive (full-length)............................................................. 22Prerequisites.......................................................................................................................................................................22Procedure............................................................................................................................................................................22

Chapter 12: Replacing the solid-state drive (full-length)............................................................. 24Procedure............................................................................................................................................................................24

Contents

Contents 3

Post-requisites................................................................................................................................................................... 24

Chapter 13: Removing the speakers.............................................................................................25Prerequisites.......................................................................................................................................................................25Procedure............................................................................................................................................................................25

Chapter 14: Replacing the speakers.............................................................................................26Procedure............................................................................................................................................................................26Post-requisites...................................................................................................................................................................26

Chapter 15: Removing the wireless card...................................................................................... 27Prerequisites....................................................................................................................................................................... 27Procedure............................................................................................................................................................................ 27

Chapter 16: Replacing the wireless card...................................................................................... 29Procedure............................................................................................................................................................................29Post-requisites...................................................................................................................................................................29

Chapter 17: Removing the fans.................................................................................................... 30Prerequisites.......................................................................................................................................................................30Procedure............................................................................................................................................................................30

Chapter 18: Replacing the fans.................................................................................................... 33Procedure............................................................................................................................................................................33Post-requisites................................................................................................................................................................... 33

Chapter 19: Removing the heat-sink assembly.............................................................................34Prerequisites.......................................................................................................................................................................34Procedure............................................................................................................................................................................34

Chapter 20: Replacing the heat-sink assembly............................................................................ 35Procedure............................................................................................................................................................................35Post-requisites...................................................................................................................................................................35

Chapter 21: Removing the memory modules................................................................................ 36Prerequisites.......................................................................................................................................................................36Procedure............................................................................................................................................................................36

Chapter 22: Replacing the memory modules................................................................................ 38Procedure............................................................................................................................................................................38Post-requisites...................................................................................................................................................................39

Chapter 23: Removing the system board..................................................................................... 40Prerequisites.......................................................................................................................................................................40Procedure............................................................................................................................................................................40

Chapter 24: Replacing the system board..................................................................................... 43Procedure............................................................................................................................................................................43

4 Contents

Post-requisites................................................................................................................................................................... 44

Chapter 25: Removing the audio daughter board......................................................................... 45Prerequisites.......................................................................................................................................................................45Procedure............................................................................................................................................................................45

Chapter 26: Replacing the audio daughter board......................................................................... 47Procedure............................................................................................................................................................................ 47Post-requisites................................................................................................................................................................... 47

Chapter 27: Removing the coin-cell battery.................................................................................48Prerequisites.......................................................................................................................................................................48Procedure............................................................................................................................................................................48

Chapter 28: Replacing the coin-cell battery................................................................................ 50Procedure............................................................................................................................................................................50Post-requisites...................................................................................................................................................................50

Chapter 29: Removing the keyboard............................................................................................ 51Prerequisites....................................................................................................................................................................... 51Procedure............................................................................................................................................................................ 51

Chapter 30: Replacing the keyboard............................................................................................53Procedure............................................................................................................................................................................53Post-requisites...................................................................................................................................................................53

Chapter 31: Removing the display assembly.................................................................................54Prerequisites.......................................................................................................................................................................54Procedure............................................................................................................................................................................54

Chapter 32: Replacing the display assembly................................................................................ 56Procedure............................................................................................................................................................................56Post-requisites...................................................................................................................................................................56

Chapter 33: Removing the power-adapter port............................................................................57Prerequisites.......................................................................................................................................................................57Procedure............................................................................................................................................................................57

Chapter 34: Replacing the power-adapter port............................................................................58Procedure............................................................................................................................................................................58Post-requisites...................................................................................................................................................................58

Chapter 35: Removing the antenna cover.................................................................................... 59Prerequisites.......................................................................................................................................................................59Procedure............................................................................................................................................................................59

Chapter 36: Replacing the antenna cover.....................................................................................61Procedure.............................................................................................................................................................................61

Contents 5

Post-requisites....................................................................................................................................................................61

Chapter 37: Removing the display hinges.................................................................................... 62Prerequisites.......................................................................................................................................................................62Procedure............................................................................................................................................................................62

Chapter 38: Replacing the display hinges.................................................................................... 64Procedure............................................................................................................................................................................64Post-requisites...................................................................................................................................................................64

Chapter 39: Removing the antenna module................................................................................. 65Prerequisites.......................................................................................................................................................................65Procedure............................................................................................................................................................................65

Chapter 40: Replacing the antenna module..................................................................................67Procedure............................................................................................................................................................................67Post-requisites................................................................................................................................................................... 67

Chapter 41: Removing the palm-rest assembly............................................................................ 68Prerequisites.......................................................................................................................................................................68Procedure............................................................................................................................................................................68

Chapter 42: Replacing the palm-rest assembly............................................................................69Procedure............................................................................................................................................................................69Post-requisites...................................................................................................................................................................69

Chapter 43: Flashing the BIOS.....................................................................................................70

Chapter 44: Getting help and contacting Dell............................................................................... 71

6 Contents

Before working inside your computer

NOTE: The images in this document may differ from your computer depending on the configuration you ordered.

Topics:

• Before you begin• Safety instructions• Recommended tools

Before you begin1. Save and close all open files and exit all open applications.

2. Shut down your computer.

The shut-down instruction varies depending on the operating system installed on your computer.

● Windows 10: Click Start > Power > Shut down.

● Windows 8.1: On the Start screen, Click the power icon > Shut down.● Windows 7: Click Start > Shut down.

NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down

instructions.

3. Disconnect your computer and all attached devices from their electrical outlets.

4. Disconnect all attached network devices and peripherals, such as keyboard, mouse, and monitor, from your computer.

5. Remove any media card and optical disc from your computer, if applicable.

6. Close the display and turn the computer over.

Safety instructionsUse the following safety guidelines to protect your computer from potential damage and ensure your personal safety.

NOTE: Before working inside your computer, read the safety information that shipped with your computer. For more safety

best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.

NOTE: Disconnect all power sources before opening the computer cover or panels. After you finish working inside the

computer, replace all covers, panels, and screws before connecting to the electrical outlet.

CAUTION: To avoid damaging the computer, ensure that the work surface is flat and clean.

CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a

card by its edges or by its metal mounting bracket. Hold a component such as a processor by its edges, not by

its pins.

CAUTION: You should only perform troubleshooting and repairs as authorized or directed by the Dell technical

assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the

safety instructions that shipped with the product or at www.dell.com/regulatory_compliance.

CAUTION: Before touching anything inside your computer, ground yourself by using a wrist grounding strap or

by periodically touching an unpainted metal surface, such as the metal at the back of the computer. While you

work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal

components.

1

Before working inside your computer 7

https://www.dell.com/regulatory_compliance


CAUTION: When you disconnect a cable, pull on its connector or on its pull tab, not on the cable itself. Some

cables have connectors with locking tabs or thumb-screws that you must disengage before disconnecting the

cable. When disconnecting cables, keep them evenly aligned to avoid bending any connector pins. When

connecting cables, ensure that the ports and connectors are correctly oriented and aligned.

CAUTION: Press and eject any installed card from the media-card reader.

Recommended toolsThe procedures in this document may require the following tools:

● Philips screwdriver● Flat-head screwdriver● Torx #5 (T5) screwdriver● Plastic scribe

8 Before working inside your computer

After working inside your computer

CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer.

1. Replace all screws and ensure that no stray screws remain inside your computer.

2. Connect any external devices, peripherals, or cables you removed before working on your computer.

3. Replace any media cards, discs, or any other parts that you removed before working on your computer.

4. Connect your computer and all attached devices to their electrical outlets.

5. Turn on your computer.

2

After working inside your computer 9

Removing the base coverNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the

steps in Before working inside your computer. After working inside your computer, follow the instructions in After working

inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/

regulatory_compliance.

Topics:

• Procedure

Procedure1. Close the display and turn the computer over.

2. Turn the system badge over and place it on the base cover.

3. Remove the screws that secure the base cover to the palm-rest assembly.

a. base coverb. system badgec. screws (12)

4. Using your fingertips, gently pry the base cover off the palm-rest assembly.

3

10 Removing the base cover



a. base cover

Removing the base cover 11

Replacing the base coverNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:

• Procedure

Procedure1. Place the base cover on the palm-rest assembly and snap it into place.

2. Replace the screws that secure the base cover to the palm-rest assembly.

3. Turn the system badge over and snap it into place.

4. Turn the computer over.

4

12 Replacing the base cover



Removing the batteryNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:

• Prerequisites• Procedure

PrerequisitesRemove the base cover.

Procedure


1. Remove the screws that secure the battery to the palm-rest assembly.

2. Disconnect the battery cable from the system board.

3. Lift the battery off the palm-rest assembly.

1. battery cable 2. screws (4)

3. battery 4. palm-rest assembly

4. Turn the computer over, open the display, and press the power button for five seconds to ground the system board.

5

Removing the battery 13



Replacing the batteryNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:

• Procedure• Post-requisites

Procedure1. Align the screw holes on the battery with the screw holes on the palm-rest assembly.

2. Replace the screws that secure the battery to the palm-rest assembly.

3. Connect the battery cable to the system board.

Post-requisitesReplace the base cover.

6

14 Replacing the battery



Removing the hard driveNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.

CAUTION: To avoid data loss, do not remove the hard drive while the computer is in sleep or on state.

Topics:


Prerequisites1. Remove the base cover.

2. Remove the battery.

Procedure1. Remove the screws that secure the hard-drive assembly to the palm-rest assembly.

2. Lift the hard-drive cage off the hard-drive assembly.

a. screws (4)

b. hard-drive cage

c. hard-drive assembly

7

Removing the hard drive 15



3. Using the pull tab disconnect the hard-drive cable from the system board.

4. Lift the hard-drive assembly off the palm-rest assembly.

a. pull tabb. hard-drive assembly

5. Disconnect the hard-drive interposer from the hard-drive assembly.

a. hard-drive assemblyb. hard-drive interposer

6. Remove the hard-drive covers away from the hard drive.

16 Removing the hard drive

a. hard-drive covers (2)b. hard drive

Removing the hard drive 17

Replacing the hard driveNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.

Topics:


Procedure1. Replace the hard-drive covers on the hard drive.

2. Connect the hard-drive interposer to the hard-drive assembly.

3. Place the hard-drive assembly on the palm-rest assembly.

4. Connect the hard-drive cable to the system board.

5. Align the screw holes on the hard-drive cage with the screw holes on the hard-drive assembly.

6. Replace the screws that secure the hard-drive cage to the palm-rest assembly.

Post-requisites1. Replace the battery.

2. Replace the base cover.

8

18 Replacing the hard drive



Removing the solid-state drive (half-length)NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive.

CAUTION: To avoid data loss, do not remove the solid-state drive while the computer is in sleep or on state.

Topics:




Procedure1. Remove the screw that secures the solid-state drive assembly to the system board.

2. Lift and slide the solid-state drive assembly from the system board.

1. screw 2. solid-state drive assembly

9

Removing the solid-state drive (half-length) 19



3. solid-state drive slot 4. system board

3. Remove the screw that secures the solid-state drive to the solid-state drive bracket.

a. solid-state drive bracketb. screwc. solid-state drive

4. Lift the solid-state drive off the solid-state drive bracket.

20 Removing the solid-state drive (half-length)

Replacing the solid-state drive (half-length)NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the





Topics:


Procedure1. Align the screw hole on the solid-state drive bracket with the screw hole on the solid-state drive.

2. Replace the screw that secures the solid-state drive to the solid-state drive bracket

3. Align the notches on the solid-state drive assembly with the tabs in the solid-state drive slot.

4. Slide the solid-state drive assembly at an angle into the solid-state drive slot.

5. Press the other end of the solid-state drive down and replace the screw that secures the solid-state drive to the systemboard.



10

Replacing the solid-state drive (half-length) 21



Removing the solid-state drive (full-length)NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the





CAUTION: To avoid data loss, do not remove the solid-state drive while the computer is in sleep or on state.

Topics:




Procedure1. Remove the screw that secures the solid-state drive to the system board.

2. Lift and slide the solid-state drive from the system board.

1. screw 2. thermal pad

11

22 Removing the solid-state drive (full-length)



3. solid-state drive slot 4. solid-state drive

3. Peel the thermal pad off the solid-state drive.

a. thermal padb. solid-state drive

Removing the solid-state drive (full-length) 23

Replacing the solid-state drive (full-length)NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the





Topics:


Procedure1. Adhere the thermal pad to the solid-state drive.

2. Slide the solid-state drive at an angle into the solid-state drive slot.

3. Press the other end of the solid-state drive down and replace the screw that secures the solid-state drive to the systemboard.



12

24 Replacing the solid-state drive (full-length)



Removing the speakersNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:




Procedure1. Disconnect the speaker cable from the system board.

2. Note the speaker-cable routing and remove the cable from the routing guides.

3. Remove the screws that secure the speakers to the palm-rest assembly.

4. Lift the speakers, along with the speaker cable, off the palm-rest assembly.

1. speaker cable 2. screws (4)

3. speakers (2) 4. palm-rest assembly

13

Removing the speakers 25



Replacing the speakersNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


Procedure1. Using the alignment posts, place the speakers on the palm-rest assembly.

2. Replace the screws that secure the speakers to the palm-rest assembly.

3. Route the speaker cables through the routing guides on the palm-rest assembly.

4. Connect the speaker cable to the system board.



14

26 Replacing the speakers



Removing the wireless cardNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:




Procedure


1. Remove the screw that secures the wireless-card bracket to the wireless card.

2. Lift the wireless-card bracket off the wireless card.

3. Disconnect the antenna cables from the wireless card.

4. Slide and remove the wireless card out of the wireless-card slot.

1. screw 2. wireless-card bracket

15

Removing the wireless card 27



3. wireless card 4. antenna cables (3)

28 Removing the wireless card

Replacing the wireless cardNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


Procedure

CAUTION: To avoid damage to the wireless card, do not place any cables under it.

1. Align the notch on the wireless card with the tab on the wireless-card slot and slide the card into the slot.

2. Connect the antenna cables to the wireless card. The following table provides the antenna-cable color scheme for thewireless card supported by your computer:

Connectors on the wireless card Antenna-cable color

Main (white triangle) White

Auxiliary (black triangle) Black

Multiple input, multiple output (grey triangle) Grey (optional)

3. Align the screw hole on the wireless-card bracket with the screw-hole on the wireless card.

4. Replace the screw that secures the wireless-card bracket to the wireless card.



16

Replacing the wireless card 29



Removing the fansNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:




Procedure1. Remove the screws that secure the video fan (JFAN_2) to the system board.

2. Disconnect the touch-screen cable from the system board.

3. Peel off the tape that secures the touch-screen cable to the video fan (JFAN_2).

4. Note the routing of the touch-screen cable and remove the cable from the routing guides on the video fan (JFAN_2).

5. Disconnect the video fan (JFAN_2) cable from the system board.

6. Lift the video fan (JFAN_2) away from the palm-rest assembly.

17

30 Removing the fans



1. routing guide 2. touch-screen cable (optional)

3. tape 4. fan cable

5. video fan (JFAN_2) 6. screws (2)

7. Remove the screws that secure the processor fan (JFAN_1) to the system board.

8. Note the routing of the display cable and remove the cable from the processor fan (JFAN_1).

9. Disconnect the processor fan (JFAN_1) cable from the system board.

10. Lift the processor fan (JFAN_1) away from the palm-rest assembly.

1. routing guide 2. display cable

Removing the fans 31

3. fan cable 4. processor fan (JFAN_1)

5. screws (2)

32 Removing the fans

Replacing the fansNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


Procedure1. Align the screw holes on the processor fan (JFAN_1) with the screw holes on the palm-rest assembly.

2. Connect the processor fan (JFAN_1) cable to the system board.

3. Route the display cable through the routing guides on the processor fan (JFAN_1).

4. Replace the screws that secure the processor fan (JFAN_1) to the system board.

5. Align the screw holes on the video fan (JFAN_2) with the screw holes on the palm-rest assembly.

6. Connect the video fan (JFAN_2) cable to the system board.

7. Route the touch-screen cable through the routing guides on the video fan (JFAN_2).

8. Adhere the tape that secures the touch-screen cable to the video fan (JFAN_2).

9. Connect the display cable to the system board.

10. Replace the screws that secure the video fan (JFAN_2) to the system board.



18

Replacing the fans 33



Removing the heat-sink assemblyNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you

touch it.

CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils

in your skin can reduce the heat transfer capability of the thermal grease.

Topics:




Procedure


1. Remove the screws that secure the heat-sink assembly to the system board.

2. Lift the heat-sink assembly off the system board.

a. heat-sink assembly

b. screws (6)

19

34 Removing the heat-sink assembly



Replacing the heat-sink assemblyNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




CAUTION: Incorrect alignment of the heat sink can damage the system board and processor.

NOTE: If either the system board or the fan and heat-sink assembly is replaced, use the thermal pad/paste provided in the

kit to ensure that thermal conductivity is achieved.

Topics:


Procedure1. Align the screw holes on the heat-sink assembly with the screw holes on the system board.

2. Replace the screws that secure the heat-sink assembly to the system board.



20

Replacing the heat-sink assembly 35



Removing the memory modulesNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:




Procedure1. Using your fingertips, spread apart the securing clips on each end of the memory-module slot until the memory module pops

up.

2. Slide and remove the memory module from the memory-module slot.

Figure 1. Removing the memory modules

a. memory module

21

36 Removing the memory modules



b. securing clips (2)

c. memory-module slot

Removing the memory modules 37

Replacing the memory modulesNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


Procedure1. Align the notch on the memory module with the tab on the memory-module slot.

2. Slide the memory module firmly into the slot at an angle and gently press the memory module down until it clicks into place.

NOTE: If you do not hear the click, remove the memory module and reinstall it.

Figure 2. Replacing the memory modules

1. memory module 2. notch

3. tab 4. memory-module slot

5. securing clips

22

38 Replacing the memory modules





Replacing the memory modules 39

Removing the system boardNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup

program after you replace the system board.

NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You

must make the appropriate changes again after you replace the system board.

NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can

reconnect the cables correctly after you replace the system board.

Topics:




3. Remove the wireless card.

4. Remove the hard drive.

5. Remove the solid-state drive (half-length).

6. Remove the solid-state drive (full-length).

7. Remove the fans.

8. Remove the heat-sink assembly.

9. Remove the memory modules.

Procedure1. Remove the screw that secures the display-cable bracket to the system board.

2. Lift the solid-state drive bracket to access the display cable.

3. Disconnect the display cable from the system board.

23

40 Removing the system board



a. display-cable bracketb. screwc. display cable

4. Disconnect the power-adapter port cable, speaker cable, keyboard-control board cable, touch-pad cable, and touch-screencable from the system board.

1. power-adapter port cable 2. speaker cable

3. keyboard-control board cable 4. touch-pad cable

5. touch-screen cable (optional)

5. Remove the screws that secure the system board to the palm-rest assembly.

6. Lift the system board off the palm-rest assembly.

Removing the system board 41

a. system boardb. screws (5)c. palm-rest assembly

42 Removing the system board

Replacing the system boardNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup

program after you replace the system board.

NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You

must make the appropriate changes again after you replace the system board.

Topics:


ProcedureCAUTION: When replacing the system board, it is important to hold it at the center of the board as shown in the

image. The circuitry on the sides of the board is fragile and can be easily damaged if the system board is held at

the sides or neck area.

NOTE: When replacing the system board, angle the system board onto the palm-rest assembly with the SD-card slot side.

Angling it this way while mounting the system board gives sufficient clearance as the audio daughter-board is beneath the

other side of the system board.

24

Replacing the system board 43



1. Align the screw holes on the system board with the screw holes on the palm-rest assembly.

2. Replace the screws that secure the system board to the palm-rest assembly.

3. Connect the power-adapter port cable, speaker cable, keyboard-control board cable, touch-pad cable, and touch-screencable to the system board.

4. Connect the display cable to the system board.

5. Align the screw hole on the display-cable bracket with the screw hole on the system board.

6. Replace the screw that secures the display-cable bracket to the system board.

Post-requisites1. Replace the memory modules.

2. Replace the heat-sink assembly.

3. Replace the fans.

4. Replace the solid-state drive (half-length).

5. Replace the solid-state drive (full-length).

6. Replace the hard drive.

7. Replace the wireless card.

8. Replace the battery.


44 Replacing the system board

Removing the audio daughter boardNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:








7. Remove the fans.



10. Remove the system board.

Procedure1. Remove the two screws that secure the audio daughter board to the system board.

a. system boardb. screws

2. Flip the system board over, then lift the audio daughter board from the system board.

25

Removing the audio daughter board 45



a. audio daughter board

46 Removing the audio daughter board

Replacing the audio daughter boardNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


Procedure1. Align the screw holes on the audio daughter board with the screw holes on the system board.

2. Flip the system board over, then replace the screws that secure the audio daughter board to the system board.

Post-requisites1. Replace the system board.

2. Replace the memory modules.









26

Replacing the audio daughter board 47



Removing the coin-cell batteryNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is

recommended that you note the BIOS setup program’s settings before removing the coin-cell battery.

Topics:








7. Remove the fans.




Procedure1. Turn the system board over.

2. Disconnect the coin-cell battery cable from the system board.

3. Note the location of the coin-cell battery and pry it off the system board.

27

48 Removing the coin-cell battery



Figure 3. Removing the coin-cell battery

a. coin-cell batteryb. coin-cell battery cablec. system board

Removing the coin-cell battery 49

Replacing the coin-cell batteryNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


Procedure1. Adhere the coin-cell battery to the system board.

2. Connect the coin-cell battery cable to the system board.

3. Turn the system board over.











28

50 Replacing the coin-cell battery



Removing the keyboardNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:






Procedure1. Lift the latches and disconnect the keyboard cable and keyboard-backlight cable from the keyboard-controls board.

2. Peel off the Mylar to access the screws that secure the keyboard to the palm-rest assembly.

1. Mylar 2. keyboard cable

3. latches (2) 4. keyboard-backlight cable

3. Remove the screws that secure the keyboard to the palm-rest assembly.

4. Lift the keyboard off the palm-rest assembly.

29

Removing the keyboard 51



a. screws (31)b. keyboardc. palm-rest assembly

5. Peel off the Mylar from the keyboard.

a. mylarb. keyboard

a. keyboard

52 Removing the keyboard

Replacing the keyboardNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


Procedure1. Adhere the Mylar to the keyboard.

2. Align the screw holes on the keyboard with the screw holes on the palm-rest assembly.

3. Replace the screws that secure the keyboard to the palm-rest assembly.

4. Adhere the Mylar to the screws that secure the keyboard to the palm-rest assembly.

5. Connect the keyboard cable and keyboard-backlight cable to the keyboard-controls board.





30

Replacing the keyboard 53



Removing the display assemblyNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:





Procedure1. Remove the screw that secures the display-cable bracket to the system board.

2. Disconnect the touch-screen cable and display cable from the system board.

3. Peel off the tape and remove the touch-screen cable from the routing guides on the fan.

1. touch-screen cable (optional) 2. tape

3. display-cable bracket 4. screw

5. display cable

4. Turn the computer over and open the display at an angle of 90 degrees.

31

54 Removing the display assembly



5. Rotate the computer and place it on the edge of the table in a position that allows access to the screws on the displayhinges.

6. Remove the screws that secure the display hinges to the palm-rest assembly.

7. Carefully lift the display assembly from the palm-rest assembly

1. palm-rest assembly 2. screws (6)

3. display hinges (2) 4. display assembly

8. Carefully place the display assembly on a clean, flat surface.

a. display assembly

Removing the display assembly 55

Replacing the display assemblyNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


Procedure1. Place the palm-rest assembly at the edge of the table with the speakers facing away from the edge.

2. Align the screw holes on the palm-rest assembly with the screw holes on the display hinges.

3. Replace the screws that secure the display hinges to the palm-rest assembly.

4. Adhere the tape and route the touch-screen cable through the routing guides on the fan.

5. Connect the touch-screen cable and display cable to the system board.

6. Replace the screw that secures the display-cable bracket to the system board.

Post-requisites1. Replace the wireless card.



32

56 Replacing the display assembly



Removing the power-adapter portNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:




3. Remove the display assembly.

Procedure1. Disconnect the power-adapter port cable from the system board.

2. Remove the screw that secures the power-adapter port to the palm-rest assembly.

3. Lift the power-adapter port along with its cable, off the palm-rest assembly.

a. screw

b. power-adapter port

c. power-adapter port cable

33

Removing the power-adapter port 57



Replacing the power-adapter portNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


Procedure1. Place the power-adapter port into the slot on the palm-rest assembly.

2. Route the power-adapter port cable through its routing guides on the palm-rest assembly.

3. Replace the screw that secures the power-adapter port to the palm-rest assembly.

4. Connect the power-adapter port cable to the system board.

Post-requisites1. Replace the display assembly.



34

58 Replacing the power-adapter port



Removing the antenna coverNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:






Procedure1. Carefully turn the display hinges at an angle.

Figure 4. Turning the display hinge

a. display assemblyb. display hinges (2)

2. Slide and lift the antenna cover away from the display assembly.

35

Removing the antenna cover 59



Figure 5. Removing the antenna cover

a. display assemblyb. antenna cover

60 Removing the antenna cover

Replacing the antenna coverNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


Procedure1. Replace the antenna cover on the display assembly.

2. Turn the display hinges to the normal position.

Post-requisites1. Replace the display assembly.




36

Replacing the antenna cover 61



Removing the display hingesNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


Prerequisites

NOTE: These instructions are applicable only for laptops with a non-touchscreen display.

1. Remove the base cover.




5. Remove the antenna cover.

Procedure1. Peel off the tape to access the screws on the display hinges.

a. tapeb. display hinges (2)

2. Remove the screws that secure the display hinges to the display assembly.

3. Carefully lift the display hinges off the display assembly.

37

62 Removing the display hinges



a. screws (6)b. display hinges (2)

Removing the display hinges 63

Replacing the display hingesNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


Procedure1. Align the screw holes on the display hinges with the screw holes on the display assembly.

2. Replace the screws that secure the display hinges to the display assembly.

3. Adhere the tape to the display hinges.

Post-requisites1. Replace the antenna cover.

2. Replace the display assembly.




38

64 Replacing the display hinges



Removing the antenna moduleNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


Prerequisites

NOTE: These instructions are applicable only for laptops with a non-touchscreen display.

1. Remove the base cover.




5. Remove the antenna cover.

6. Remove the display hinges.

Procedure1. Peel the tape that covers the antenna cables.

2. Remove the screws that secure the antenna module to the display assembly.

3. Lift the antenna module away from the display assembly.

39

Removing the antenna module 65



1. tape 2. antenna cable

3. screws (4) 4. antenna module

5. display assembly

66 Removing the antenna module

Replacing the antenna moduleNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


Procedure1. Align the screw holes on the antenna module with the screw holes on the display assembly.

2. Replace the screws that secure the antenna module to the display assembly.

3. Adhere the tape that covers the antenna cable.

Post-requisites1. Replace the display hinges.

2. Replace the antenna cover.





40

Replacing the antenna module 67



Removing the palm-rest assemblyNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:





4. Follow the procedure from step 1 to step 4 in “Removing the hard drive”.


6. Remove the speakers.


8. Remove the fans.


10. Remove the power-adapter port.


12. Remove the keyboard.

ProcedureAfter performing the steps in the prerequisites we are left with the palm-rest assembly.

1. palm-rest assembly

41

68 Removing the palm-rest assembly



Replacing the palm-rest assemblyNOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the




Topics:


ProcedurePlace the palm-rest assembly on a clean and flat surface.

Post-requisites1. Replace the keyboard.

2. Replace the system board.

3. Replace the power-adapter port.




7. Replace the speakers.


9. Follow the procedure from step 3 to step 6 in “Replacing the hard drive”.




42

Replacing the palm-rest assembly 69



Flashing the BIOSYou may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS:

1. Turn on your computer.

2. Go to www.dell.com/support.

3. Click Product support, enter the Service Tag of your computer, and then click Submit.

NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model.

4. Click Drivers & downloads > Find it myself.

5. Select the operating system installed on your computer.

6. Scroll down the page and expand BIOS.

7. Click Download to download the latest version of the BIOS for your computer.

8. After the download is complete, navigate to the folder where you saved the BIOS update file.

9. Double-click the BIOS update file icon and follow the instructions on the screen.

43

70 Flashing the BIOS

http://www.dell.com/support

Getting help and contacting Dell

Self-help resourcesYou can get information and help on Dell products and services using these self-help resources:

Table 1. Self-help resources

Self-help resources Resource location

Information about Dell products and services www.dell.com

My Dell

Tips

Contact Support In Windows search, type Contact Support, and pressEnter.

Online help for operating system www.dell.com/support/windows

www.dell.com/support/linux

Troubleshooting information, user manuals, setup instructions,product specifications, technical help blogs, drivers, softwareupdates, and so on.

www.dell.com/support

Dell knowledge base articles for a variety of computerconcerns.

1. Go to https://www.dell.com/support/home/?app=knowledgebase.

2. Type the subject or keyword in the Search box.3. Click Search to retrieve the related articles.

Learn and know the following information about your product:

● Product specifications● Operating system● Setting up and using your product● Data backup● Troubleshooting and diagnostics● Factory and system restore● BIOS information

See Me and My Dell at www.dell.com/support/manuals.

To locate the Me and My Dell relevant to your product,identify your product through one of the following:

● Select Detect Product.● Locate your product through the drop-down menu under

View Products.● Enter the Service Tag number or Product ID in the

search bar.

Contacting DellTo contact Dell for sales, technical support, or customer service issues, see www.dell.com/contactdell.

NOTE: Availability varies by country and product, and some services may not be available in your country.

NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing

slip, bill, or Dell product catalog.

44

Getting help and contacting Dell 71

https://www.dell.com

https://www.dell.com/support/windows

https://www.dell.com/support/linux

https://www.dell.com/support

https://www.dell.com/support/home/?app=knowledgebase

https://www.dell.com/support/home/?app=knowledgebase

https://www.dell.com/support/manuals

https://www.dell.com/contactdell

Date post:	21-Mar-2022
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